gmt88 发表于 2013-7-14 00:22:30

ISO/IEC 21888:2001 Call Identification and Call Linkage Additional Network Featu

ISO/IEC 21888:2001(E)
First Edition
2001-09-01
Information Technology -
Telecommunications and Information Exchange Between Systems -
Private Integrated Services Network -
Specification, Functional Model and Information Flows -
Call Identification and Call Linkage Additional Network Feature

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admin 发表于 2013-7-14 15:11:54

谢谢您的分享，金币已奖励。

21319817 发表于 2013-8-29 15:24:13

:lol
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